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All Journal African Multidisciplinary Journal of Sciences and Artificial Intelligence African Journal of Sciences and Traditional Medicine
Igbani Flourizel
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Health Professions Immunology & microbiology Materials Science & Nanotechnology Nursing Public Health

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Assessment of Aquatic Macroinvetebrate and Physio-Chemical Parameters in River Donga, Donga, Taraba State, Nigeria Ronald Abhulimen Winifred; Igbani Flourizel; Iba Nguwasen Rachael
African Multidisciplinary Journal of Sciences and Artificial Intelligence Vol 1 No 1 (2024): African Multidisciplinary Journal of Sciences and Artificial Intelligence
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/amjsai.v1i1.3754

Abstract

This study assessed the diversity of macroinvertebrates fauna and water quality parameters in river donga. Soil and water samples were randomly collected in the months of September and November, 2022 at three different locations: Headwater (Point A), middle water or Polo (Point B) and tailwater or Spillway (Point C) in the river. The following phylum of macro-invertebrates were reported, Arthropoda and Mollusca. The species present were, Viviparous viviparous, Sadleriana fluminensis, Velia caprai, Mytilus edulis. The temperature ranges between 26.67±0.35 to 27.17±0.35 with the middle point and Tail water point having the lowest and highest temperatures respectively. PH values ranges from 6.97±0.01 to 7.04±1.55 with the headwater point and Middle water point having the lowest and highest temperatures respectively. Electrical conductivity (Mg/l) values ranges between 263.33±6.52 to 280.00±8.65 with Tail water and Middle water having the lowest and highest concentrations respectively. Dissolved oxygen concentration ranges between 5.57±0.20 to 5.97±0.53 with headwater and tail water having the lowest and highest dissolved oxygen. There was however no significant difference in the evaluated parameters water parameter (p≤0.05). All water quality parameters except Electrical conductivity and Dissolved oxygen were slightly above WHO limits of all the evaluated water parameters. Diversity index indicated Head of the sampling locations was more diverse than all other sampling site along river Donga. The present study revealed that Donga River is not polluted as indicated by the abundance of pollution intolerant macro-invertebrate species and the physiochemical parameters of water. The water quality parameters evaluated were favourable and is a clear indication of good water quality. However, findings from the present study revealed the presence of few macro-invertebrates at the study location. This could be attributed to uneven specie distribution in nature. Another factor could be due to duration, season and the sampling locations along the Donga River. It has given us the baseline study of macroinvertebrates present in Donga River and also the water quality of the river.
Genetic Characterization of Tilapia Fish Species in the University Fish Farm, Umudike, Niger Delta, Eastern Nigeria Akpevwe Efe Okere; Igbani Flourizel; Uka Anyaele
African Journal of Sciences and Traditional Medicine Vol 1 No 1 (2024): African Journal of Sciences and Traditional Medicine
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajstm.v1i1.3491

Abstract

This study was aimed at identification and characterization of tilapia species farmed in the University Fish Farm Umudike. Dichotonomous key was employed in the application of morphometric and meristic parameters in the characterization. Molecular characterization was carried out using Random Amplified Polymorphic DNA (RAPD) primer by Polymerase Chain Reaction (PCR) amplification. A total of three hundred (300) fish samples suspected to be tilapia were collected from the University Fish Farm for the study. Eleven (11) morphometric and five (5) meristic counts were studied. Deoxyribonucleic acid (DNA) was extracted from the caudal fin tissues of sixty- six (66) samples from the three hundred fish samples using the Chlorophenol Isoamyl alcohol Method. Morphometric and meristic parameters were analyzed using Principal Component Analysis (PCA) which separated all sampled tilapia species statistically into three different groups, showing specifically the parameters that accounted for this variation. The first 7 components explained 91.382 % total variability among the groups with body depth cosntributing 25.226 %, body weight 50.133 %, total length 5.969 %, standard length 3.9178 %, caudal peduncle 3.406 %, head length 3.1518 %, dorsal fin base length contributing 2.6903 % of the total variability. Cluster analysis (CA) was based on Jaccard’s similarity coefficient. The study revealed mostly polymorphic bands from all 10 RAPD primers with a size ranged from 300 – 1000 base pairs (bp). Wide range of intra specific variation was observed within the species. Results obtained revealed that 3 distinct groups of tilapia with resemblance of Oreochromis niloticus, Sarotherodon galilaeus and Hemichromis fasciatus were present in the University fish farm. From the study, body depth and length of caudal peduncle were some of the natural markers that successfully separated all sampled species. The information obtained from this study in future could be employed in improvement programme for enhanced economic benefit of tilapia faming in Michael Okpara University of Agriculture, Umudike (MOUAU) Fish Farm.
Co-Authors Akpevwe Efe Okere Iba Nguwasen Rachael Ronald Abhulimen Winifred Uka Anyaele